     (config! (id :ns-lb) :selection-mode :multi-interval) ;; experimental...
     (config! (id :vars-lb) :model [])
     (config! (id :ns-entries-lbl) :text "0")
-    (config! (id :ns-require-btn) :enabled? false)
-    (config! (id :ns-require-btn) :text "Require")
     (config! (id :doc-cbx) :model doc-cbx-value-list)
     (config! (id :edit-btn) :enabled? false)
     (config! (id :browse-btn) :enabled? false)

    (config! (id :inspect-btn) :enabled? false)
    (listen (id :inspect-btn)
      :action (fn [event] (swap! (id :inspect-btn-atom) not)))
    (listen (id :ns-require-btn)
      :action (fn [event] (swap! (id :ns-require-btn-atom) not)))
    (config! (id :var-trace-btn)
      :action (id :var-trace-btn-action))
    (listen (id :browse-btn)

          clojuredocs-online-rb (radio-menu-item :text "ClojureDocs Online" :id :clojuredocs-online-rb :group clojuredocs-access-btn-group)
          clojuredocs-offline-rb (radio-menu-item :text "ClojureDocs Offline/Local" :id :clojuredocs-offline-rb :group clojuredocs-access-btn-group)

          vars-fqn-listing-cb (checkbox-menu-item :action (id :vars-fqn-listing-cb-action) :id :vars-fqn-listing-cb)
          
          vars-categorized-cb (checkbox-menu-item :action (id :vars-categorized-cb-action) 
                                                  :id :vars-categorized-cb)
          
          vars-search-doc-also-cb (checkbox-menu-item :text "Search Docs Also" :id :vars-search-doc-also-cb)
          
          auto-refresh-browser-cb (checkbox-menu-item :action (id :auto-refresh-browser-action) :id :auto-refresh-browser-cb)
